In situ observation of phase changes of a silica-supported cobalt catalyst for the Fischer-Tropsch process by the development of a synchrotron-compatible in situ/operando powder X-ray diffraction cell.

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ID: 773
2018
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Abstract
In situ characterization of catalysts gives direct insight into the working state of the material. Here, the design and performance characteristics of a universal in situ synchrotron-compatible X-ray diffraction cell capable of operation at high temperature and high pressure, 1373 K, and 35 bar, respectively, are reported. Its performance is demonstrated by characterizing a cobalt-based catalyst used in a prototypical high-pressure catalytic reaction, the Fischer-Tropsch synthesis, using X-ray diffraction. Cobalt nanoparticles supported on silica were studied in situ during Fischer-Tropsch catalysis using syngas, H and CO, at 723 K and 20 bar. Post reaction, the Co nanoparticles were carburized at elevated pressure, demonstrating an increased rate of carburization compared with atmospheric studies.
Reference Key
hoffman2018in Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hoffman, Adam S;Singh, Joseph A;Bent, Stacey F;Bare, Simon R;
Journal journal of synchrotron radiation
Year 2018
DOI
10.1107/S1600577518013942
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Keywords Keywords not found

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